Home / 929,168.82-1,392,812.28-629,679.96

Finding the Fourth Proportional to 929,168.82, 1,392,812.28 and 629,679.96

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Solution

The fourth proportional to 929,168.82, 1,392,812.28 and 629,679.96 is: 943,882.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,168.82 : 1,392,812.28 = 629,679.96 : x
  2. Step 2: Convert to fraction form
    929,168.82/1,392,812.28 = 629,679.96/x
  3. Step 3: Cross multiply
    929,168.82x = 1,392,812.28 × 629,679.96
  4. Step 4: Simplify right side
    929,168.82x = 877,025,980,757.91
  5. Step 5: Solve for x
    x = 877,025,980,757.91/929,168.82
  6. Step 6: Final answer
    x = 943,882.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.